Re: tcp stack tuning and Checkpoint FW1 & Legato Networker

From: Alan Cox (
Date: Thu Jul 05 2001 - 06:06:44 EST

> I want to set the tcp_keepalive timer to 60 seconds and understand
> possible implications for Linux.

The RFC's strictly forbid it being below two hours

> If I set the tcp_keepalive timer to 60 seconds then keepalives will keep
> the connection established for the duration of the backup which could be
> 50 minutes for a large partition. I can set this under solaris with ndd
> tcp_keepalive_interval 60000 (ms)

And the moment you leave a few boxes tuned like that on the internet you'll
find yourself very unpopular.

Get the checkpoint box reconfigured properly

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This archive was generated by hypermail 2b29 : Sat Jul 07 2001 - 21:00:15 EST